3687991

Information

• Patent Grant
• 3687991

• References
• Source

• Patent Number

  3,687,991

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • C09B55/007 - containing only carbocyclic rings

• US Classifications

  • 556 - Organic compounds
  • 106 - Compositions: coating or plastic
  • 564 - Organic compounds